House of Pendragon

Pendragon is the name of the Royal Family of Camelot. One of the members of the Pendragon family, Uther Pendragon, brought the name to greatness. He conquered Camelot as a young man and was crowned King. He and his immediate family comprise the Royal Family of Camelot.

"Your information was wrong. Prince Arthur is not among the party travelling to the northern borders."

"The Prince left with them yesterday."

"Then they must have separated. Perhaps he has returned to Camelot."
"Not that I've heard. His return would've been announced at court." -Fyren and Myror (The Once and Future Queen)

Trivia

The House of Pendragon is the first family to have a servant among its women as a wife and queen.

Ygraine and Gwen are the only people knnown to have married into the Pendragon family as it is unknown if Uther had siblings. He may have taken on the Pendragon name after he conquered Camelot like his legend counterpart did.